The language is attested by over 300 short inscriptions dating from the 6th to the 1st century BC. Its speakers are identified with the ancient people called Veneti by the Romans and Enetoi by the Greeks. It became extinct around the 1st century when the local inhabitants were assimilated into the Roman sphere. Inscriptions dedicating offerings to Reitia are one of the chief sources of knowledge of the Venetic language.[6]

The exact relationship of Venetic to other Indo-European languages is still being investigated, but the majority of scholars agree that Venetic, aside from Liburnian, was closest to the Italic languages (a group that includes Latin, Oscan, and Umbrian). Venetic may also have been related to the Illyrian languages once spoken in the western Balkans, though the theory that Illyrian and Venetic were closely related is debated by current scholarship. The position of Venetic within Indo-European has been studied in detail by Lejeune.[7]:p.163

Some important parallels with the Germanic languages have also been noted, especially in pronominal forms:[8]:p.708,882

Venetic had about six or even seven noun cases and four conjugations (similar to Latin). About 60 words are known, but some were borrowed from Latin (liber.tos. < libertus) or Etruscan. Many of them show a clear Indo-European origin, such as vhraterei < PIE *bhraterei = to the brother.

In Venetic, PIE stops *bh, *dh and *gh developed to /f/, /f/ and /h/, respectively, in word-initial position (as in Latin and Osco-Umbrian), but to /b/, /d/ and /g/, respectively, in word-internal intervowel position (as in Latin). For Venetic, at least the developments of *bh and *dh are clearly attested. Faliscan and Osco-Umbrian have /f/, /f/ and /h/ internally as well.

There are also indications of the developments of PIE *kʷ > kv, *gʷ- > w- and PIE *gʷʰ- > f- in Venetic, the latter two being parallel to Latin; as well as the regressive assimilation of the PIE sequence *p...kʷ... > *kʷ...kʷ..., a feature also found in Italic and Celtic[9]:p.141